|4x+1|=7

Lösung

∣ 4 x + 1 ∣ = 7

x = - 2 or x = \frac{3}{2}

Dezimale

x = - 2, x = 1.5

Schritte zur Lösung

∣ 4 x + 1 ∣ = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

4 x + 1 = - 7 or 4 x + 1 = 7

4 x + 1 = - 7 or 4 x + 1 = 7

x = - 2 or x = \frac{3}{2}

2 = ∣ 8 x + 10 ∣

∣ x - 7 ∣ = 21

∣ 5 x - 2 ∣ = 4 x

∣ x + 7.5 ∣ = 2.5

∣ s - 6 ∣ = 1